Home / 902,615.54-1,245,623.07-494,714.12

Finding the Fourth Proportional to 902,615.54, 1,245,623.07 and 494,714.12

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Solution

The fourth proportional to 902,615.54, 1,245,623.07 and 494,714.12 is: 682,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,615.54 : 1,245,623.07 = 494,714.12 : x
  2. Step 2: Convert to fraction form
    902,615.54/1,245,623.07 = 494,714.12/x
  3. Step 3: Cross multiply
    902,615.54x = 1,245,623.07 × 494,714.12
  4. Step 4: Simplify right side
    902,615.54x = 616,227,314,698.63
  5. Step 5: Solve for x
    x = 616,227,314,698.63/902,615.54
  6. Step 6: Final answer
    x = 682,712.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.